Five years ago, the Barnegat Historical Society was in danger of folding. Its membership was aging out, and it was desperate for some new blood.

After an intensive membership drive, the group got its wishes with new members and is flourishing today. Grove Conrad, one of the new members at the time, recalled hearing someone say that “young people wouldn’t be interested in joining.”

“I didn’t agree with that at all,” he said. “I felt then we should reach out to the younger population because I…